Skip hoist



May 4,1926. 1,583,702 w. w. sAYERs y SKIP HOIs'r Filed Dec. 20 A1924 3 Sheets-Sheet 1 May 4,1926.

l W. W. SAYERS SKIP HOIST Filed Dec. 2O 1924 |III IMM! 3 Sheets-Sheet 2 '1,583,702 w. w. sAYERs y n sx1? Holst Filed Dec. 20, 1924 3 Sheets-Sheet -3 @am u @5MM Patented May 4, 1926.

UNITED STATES PATENT OFFICE.

WILLIAM W. SAYEBS, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO LINK-BELT COMPANY, OF CHICAGO, ILLINOIS, A CORPORATIONv 0F ILLINOIS.

SKIP HOIST.

'Application led December 20, 1924. Serial No. 757,091.

To all whom it may concern:

Be itknown that I, WILLIAM W, SAYERs, a citizen of the United States, residing at Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented a certain new and useful Improvement in Skip Hoists, of which the following is a specification.

This invention relates to a skip hoist and particularly to that type of skip hoist `which discharges from a bin through an undercut gate into a moving bucket or car, and in which the movement of the gate is controlled by the movement of the car, It has for one object to provide in connection with an undercut gate, a car or bucket, a guide or baiile part controlled by the movement of the car and adapted to prevent ,spilling of material or excessive discharge. Another object is to provide such a bale arrangement with an undercut gate and adapted to move with it. Other objects will appear from time to time throughout the specification and claims.

My invention is illustrated more or less diagrammatically in the accompanying drawings, wherein:

Figure 1 is avertical cross section with parts in elevation showing the gate' open and material being discharged into the bucket;

Figure 2 is a side elevation showing the same parts with the gate closed and .the bucket raised from the filling position;

Figure 3 is an end elevation of the gate in the position shown in Figure 1. Like arts are designated by like characters tv rou hout.

A is a truc upon which the bucket moves. Although it is shown as being inclined here it might be vertical. The bucket moves along the track to any suitable filling point, being lowered beneath the gate and bin to be loaded and then raised to the dumping point. The detailsv of'this construction are not illustratadas they form no particular part of the present invention. A1 is a bucket or skip adapted 'to'f-travel along the track. It is provided with' wheels .A2 Az. e As is a vbale pivoted to fthe bucket preferably at" A. A5 is a'cable-atta'ched'to the bale and by means Pivoted on the shaft Cs is an .open U- shaped guide D.A It is provided with one or more guide and baille4 plates D1 D1 which extend laterally across it. These plates may have stifeners D2. light material is carried these stiffeners are unnecesary, but where heavy material is carried and where the shock and wear on the plates D1 is heavy and violent the stiieners will be necessary, and some outside stifl'ener D3 may be used on the end of the member D.

Where comparatively The guide member D has a lip o r Haring I portion D* which,when the arts are in the position shown in Figure 1, orms generally a continuation of the floor of the hopper B2 and is engaged by and in contact'with the lip C4 of the c lindrical portion C1 of the gate. The gui e D in the form of the invention illustrated herewith is fastened to and moves with the gate C.

Although I have shown an operative de4 vice, still it will be obvious that many changes might be made in size, shape and arran ement of parts without departing materia y from the spirit of my invention; and I wish, therefore that my showing be taken as in a sense diagrammatic,

E E are ull down angles located on the outside of t e guide D. They are adaptedI to be enga ed by rollers F F carried on arms F1 F1 on t e skip or bucket A. l

The use and operation of my invention are as follows:

When the parts are in operation the counl terweight swings down and raises the undercut gate, closingit and preventing the discharge of material.. from, the hopper. The

open U-shaped guide, of course, moves with the gate to which it is attached.

When the device is used the bucket or skip y is lowered and the engaging rollers on it come in contact with the pull down angles in the outside of the U-shaped guide, and as the downward excursion continues, t-he guide is swung downward 4and with it the gate. When the gate is'sufiiciently open to permit discharge, material flows through it and into the bucket. The material as it flows strikes one or the other of the guide or baiie plates and is deflected downward into the bucket.

The top of the guide is open and the position of the bafile plates within the guide is such that when the bucket is full the material in the guide member flows out of the open top. The bailie plates extend downward int the guide a sufiicient distance so that material will take its angle of repose, and when either when the material is rushing rapidly down with great violence or when it has come to rest or after it has come to rest.

When the skip starts on its upward move- Ament the gate is permitted to close and it rotates in the closing direction, closing the avenue of discharge and raising the guide member. Finally the avenue of 'discharge is completelyclosed and the skip is raised along the track to the point where it is dis- 25 charged. When its discharge is complete it startsC-down and the cycle of movement is repeated.

l I claim:

1. In combmatiou with a chute, a chute closing member, adapted to be moved to prevent discharge therethrough, in combination p with kan open guide member adapted to move with saidclosing member and to guide the discharge of material from the chute.

2. In combination with a chute, a chute closing member, adapted to be moved to prevent discharge therethrough, in .combination with an open guide member adapted to move with said closing member and to guide the discharge of material from the chute and to prevent excess discharge of material. 3. In. combination with a chute, an undercut gate adapted to be moved to prevent disn charge through said chute, an open guide member mounted to move with said gate and adapted to guide the discharge of material from the chute.

4. In combination with a chute, a chute closing member,adapted to be moved to prevent discharge therethrough, in combination with an open guide member adapted to move with said closing member and to guide the discharge of material from the chute, A and a ballie within and extending across said I 5 guide member.

5. In combination with a chute, an undercut gate adapted to be moved to prevent d ischarge through said chute, an open guide member mounted to move with said gate and adapted to guide the discharge of material from the chute, and a bafie within and extending across said guide member.

. 6. In a skip hoist, a chute, and a skip adapted to be filled therefrom, a chute closing member adapted to be moved to prevent discharge through said chute, in combination with an open guide member mounted to move with said closing member, and adapted to guide the discharge of material from the chute.

7. In a skip hoist, a chute, and a Skip adapted to be filled therefrom, a chute closing member adapted to be moved to prevent discharge through said chute, in combination with an open guide member mounted to move with said closingr member. and adapted to guide thedischarge of material from the chute, and to bridge the gap between the end of said chute and said skip.

8. In a skip hoist, a chute, and a skip adapted to be filled therefrom, a chute closing member adapted to be moved to prevent discharge through said chute, in combination with an open guide member mounted to move with said closing member, and adapted to guide the discharge of material from the chute, said guide member being provided with a lip portion extending from the discharge end of said chute to said skip.

9. In a skip hoist, a chute, and a skip adapted to be filled therefrom, a chute closing member adapted to be moved to prevent discharge through said'chute, in combination with an open uide member mounted to move with said c osing member, and adapted to guide the' discharge of material from the chute, said chute closing member adapted to be opened by the downward movement of said skip andprovided with a counterweight whereby it is closed automatically as the skip moves upward.

l0. In a ski hoist, a chute and a skip adapted to be lled therefrom, a chute closing member adapted to'be moved to prevent discharge through said chute, in combination with an open guide member mounted to move'with said closing member, and adapted to guide the discharge of material from the chute, said guide member being provided with a lip portion extending from the discharge end of said chute to said skip, said chute closing member adapted to be opened by the downward movement of said skip and provided with a counterweight whereby it is closed automatically as the skip moves upward.

11. In a skip hoist, in combination a chute and a skip adapted to be filled therefrom, an undercut gate adapted to be moved to prevent discharge through said chute, an open guide member mounted to move with said gate and adapted to guide the discharge of material from the chute.

12. In a skip hoist, a chute, and a .skip adapted to be filled therefrom, a'chute closing member adapted to be moved to prevent discharge through said chute, in combination with an open guide member mounted to move With said closing member, and adapted to guide the .discharge of material from the chute, said guide member having a baHie Within and extending across it.

13. In a skip hoist, a chute, and a skip adapted to be filled therefrom, a chute closing member adapted to be moved to prevent discharge through said chute, in combina tion with an open guide member mounted to move with said closing member, and adapted to guide the `discharge of material from the chute, said guide member being provided with a lip portion extending from the discharge end of said chute to said skip, said guide member having a batiie within and extendingl across it.

14. In a skip hoist, in combination a chute and a skip adapted to be filled therefrom, an undercut gate adapted to be moved to prevent discharge through said chute, an open guide member mounted to move with said gate and adapted to guide the discharge of material from the chute, and to bridge the gap between the discharge end of said chute and said skip, said guide member having within and extending across it a plurality of baiiles. l

15.v In combination with a chute, a chute closing member adapted to move to prevent discharge therethrough, said member formed with a pair of side members and provided with a generally arcuate chute closing gate portion, and an open guide member adapted to move with said gate. 16. In combination with a chute, a chute closing member adapted to move to prevent discharge therethrough, said member formed with a pair of side members and provided with a generally arcuate chute closingl gate portion, and an open guide member adapted to move with said gate, said guide member provided With a plurality of baffle plates.

17. In combination with a chute, a chute closing member, adapted to be moved to prevent discharge therethrough, in combination with an open guide member adapted to move with said closing member and to guide the discharge of material from the chute, said openguide member being provided with a plurality of baiie plates generally adjacent its open upper side.

' Signed at Philadelphia, county of Phila delphia and .State of Pennsylvania, this 12th .day of December, 1924.

WILLIAM W. SAYERS. 

